Narrated `Abdullah: Allah's Apostle said, "Whenever a person is murdered unjustly, there is a share from the burden of the crime on the first son of Adam for he was the first to start the tradition of murdering."
Hadith ReferenceSahih Bukhari / The Book of The Stories of The Prophets / Hadith: 3335
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة